CVE-2025-65114CWE-444

Apache Traffic Server: Malformed chunked message body allows request smuggling

High · published April 2, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.0
In the wild
Unconfirmed
What it is

Apache Traffic Server allows request smuggling if chunked messages are malformed.

This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1.

Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00428 · 36.0th percentile
Weakness
CWE-444 · Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Published
2026-04-02T15:55Z
EPSS history
Timeline
  • 02 APR 15:55Z
    Apache Traffic Server: Malformed chunked message body allows request smuggling
    cvelistv5